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What increases the force of friction between two surfaces?
- a)Decreasing pressure
- b)Increasing pressure
- c)Reducing contact area
- d)Reducing surface area
Correct answer is option 'B'. Can you explain this answer?
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What increases the force of friction between two surfaces?a)Decreasing...
Increasing the pressure between two surfaces increases the interlocking of irregularities, thereby increasing friction.
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What increases the force of friction between two surfaces?a)Decreasing...
Increasing Pressure:
Friction force is directly proportional to the normal force acting between two surfaces. When pressure is increased, it leads to an increase in the normal force acting on the surfaces in contact. This increase in normal force results in an increase in the force of friction between the surfaces.
Explanation:
- When pressure is applied to an object, it increases the force pushing the object against the surface it is in contact with.
- This increased pressure leads to a greater normal force acting between the two surfaces.
- According to the laws of friction, the force of friction is directly proportional to the normal force.
- Therefore, an increase in pressure results in an increase in the force of friction between the surfaces.
Example:
- A simple example to understand this concept is pressing a book against a table. When you press the book harder against the table, you will notice that it becomes more difficult to slide the book because the force of friction between the book and the table has increased due to the increased pressure.
In conclusion, increasing pressure between two surfaces increases the force of friction between them.
Friction force is directly proportional to the normal force acting between two surfaces. When pressure is increased, it leads to an increase in the normal force acting on the surfaces in contact. This increase in normal force results in an increase in the force of friction between the surfaces.
Explanation:
- When pressure is applied to an object, it increases the force pushing the object against the surface it is in contact with.
- This increased pressure leads to a greater normal force acting between the two surfaces.
- According to the laws of friction, the force of friction is directly proportional to the normal force.
- Therefore, an increase in pressure results in an increase in the force of friction between the surfaces.
Example:
- A simple example to understand this concept is pressing a book against a table. When you press the book harder against the table, you will notice that it becomes more difficult to slide the book because the force of friction between the book and the table has increased due to the increased pressure.
In conclusion, increasing pressure between two surfaces increases the force of friction between them.
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What increases the force of friction between two surfaces?a)Decreasing pressureb)Increasing pressurec)Reducing contact aread)Reducing surface areaCorrect answer is option 'B'. Can you explain this answer?
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